Which of the following best explains the meaning of " She said we should finish the work a

Which of the following best explains the meaning of " She said we should finish the work as soon as possible" ？

A．She said that we were going to finish the work.

B．She ordered that we must finish the work.

C．She suggested that we finish the work in time.

D．She advised us not to finish the work unless we meet the deadline.

请帮忙给出正确答案和分析，谢谢！